Can you find out the missing number in the grid?

Name a key which is hardest to turn.

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

What word does this rebus represent?

meta meta
meta meta

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Can you find out the total number of triangles in the given figure?